Mojify the battery status browsertests.

device/battery/battery_monitor_impl.h

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
+#ifndef DEVICE_BATTERY_BATTERY_MONITOR_IMPL_H_
+#define DEVICE_BATTERY_BATTERY_MONITOR_IMPL_H_
+
 #include "base/memory/scoped_ptr.h"
 #include "device/battery/battery_export.h"
 #include "device/battery/battery_monitor.mojom.h"
 #include "device/battery/battery_status_service.h"
 
-#ifndef DEVICE_BATTERY_BATTERY_MONITOR_IMPL_H_
-#define DEVICE_BATTERY_BATTERY_MONITOR_IMPL_H_
-
 namespace device {
 
 class BatteryMonitorImpl : public mojo::InterfaceImpl<BatteryMonitor> {
  public:
   DEVICE_BATTERY_EXPORT static void Create(
       mojo::InterfaceRequest<BatteryMonitor> request);
 
  private:
   BatteryMonitorImpl();
   ~BatteryMonitorImpl() override;
 
   // mojo::InterfaceImpl<..> methods:
   void OnConnectionEstablished() override;
 
   void DidChange(const BatteryStatus& battery_status);
 
   scoped_ptr<BatteryStatusService::BatteryUpdateSubscription> subscription_;
 };
 
 }  // namespace device
 
 #endif  // DEVICE_BATTERY_BATTERY_MONITOR_IMPL_H_